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126 Results Found

  • Article
  • Open Access
9 Citations
6,306 Views
20 Pages

Many healthcare problems are life threatening and need real-time detection to improve patient safety. Heart attack or ventricular fibrillation (VF) is a common problem worldwide. Most previous research on VF detection has used ECG devices to capture...

  • Article
  • Open Access
10 Citations
2,073 Views
26 Pages

Unintentional Passive Islanding Detection and Prevention Method with Reduced Non-Detection Zones

  • Sowmya Ramachandradurai,
  • Narayanan Krishnan and
  • Natarajan Prabaharan

21 April 2022

Islanding detection and prevention are involved in tandem with the rise of large- and small-scale distribution grids. To detect islanded buses, either the voltage or the frequency variation has been considered in the literature. A modified passive is...

  • Article
  • Open Access
5 Citations
1,829 Views
21 Pages

26 May 2025

Fire detection remains a challenging task due to varying fire scales, occlusions, and complex environmental conditions. This paper proposes the CN2VF-Net model, a novel hybrid architecture that combines vision Transformers (ViTs) and convolutional ne...

  • Article
  • Open Access
6 Citations
4,928 Views
29 Pages

13 February 2025

GPU-based deep neural networks (DNNs) are powerful for electrocardiogram (ECG) processing and rhythm classification. Although questions often arise about their practical application in embedded systems with low computational resources, few studies ha...

  • Article
  • Open Access
2 Citations
4,019 Views
22 Pages

19 May 2021

Ventricular fibrillation (VF) is a type of fatal arrhythmia that can cause sudden death within minutes. The study of a VF detection algorithm has important clinical significance. This study aimed to develop an algorithm for the automatic detection of...

  • Article
  • Open Access
6 Citations
3,329 Views
19 Pages

4 April 2024

We analyzed the possibility of detecting and predicting ventricular fibrillation (VF), a medical emergency that may put people’s lives at risk, as the medical prognosis depends on the time in which medical personnel intervene. Therefore, beside...

  • Article
  • Open Access
2 Citations
2,471 Views
14 Pages

Ventricular fibrillation (VF) is a critical ventricular arrhythmia with severe consequences. Due to the severity of VF, it urgently requires a rapid and accurate detection of abnormal patterns in ECG signals. Here, we present an efficient method to d...

  • Article
  • Open Access
4 Citations
2,779 Views
16 Pages

Using Fused Data from Perimetry and Optical Coherence Tomography to Improve the Detection of Visual Field Progression in Glaucoma

  • Leo Yan Li-Han,
  • Moshe Eizenman,
  • Runjie Bill Shi,
  • Yvonne M. Buys,
  • Graham E. Trope and
  • Willy Wong

Perimetry and optical coherence tomography (OCT) are both used to monitor glaucoma progression. However, combining these modalities can be a challenge due to differences in data types. To overcome this, we have developed an autoencoder data fusion (A...

  • Article
  • Open Access
1,477 Views
15 Pages

Visual Field (VF) measurements, crucial for diagnosing and treating glaucoma, often contain noise originating from both the instrument and subjects during the response process. This study proposes a neural network-based denoising method for VF data,...

  • Article
  • Open Access
9 Citations
3,563 Views
11 Pages

Virulence Factors in Colorectal Cancer Metagenomes and Association of Microbial Siderophores with Advanced Stages

  • Nour El Houda Mathlouthi,
  • Aicha Kriaa,
  • Leila Ammar Keskes,
  • Moez Rhimi and
  • Radhouane Gdoura

Colorectal cancer (CRC) is a growing public health challenge, featuring a multifactorial etiology and complex host–environment interactions. Recently, increasing evidence has pointed to the role of the gut microbiota in CRC development and prog...

  • Feature Paper
  • Article
  • Open Access
21 Citations
3,490 Views
14 Pages

Chemical Composition, Antifungal and Anti-Biofilm Activities of Volatile Fractions of Convolvulus althaeoides L. Roots from Tunisia

  • Soukaina Hrichi,
  • Raja Chaâbane-Banaoues,
  • Filippo Alibrando,
  • Ammar B. Altemimi,
  • Oussama Babba,
  • Yassine Oulad El Majdoub,
  • Habib Nasri,
  • Luigi Mondello,
  • Hamouda Babba and
  • Francesco Cacciola

12 October 2022

The antifungal drugs currently available and mostly used for the treatment of candidiasis exhibit the phenomena of toxicity and increasing resistance. In this context, plant materials might represent promising sources of antifungal agents. The aim of...

  • Article
  • Open Access
6 Citations
1,843 Views
12 Pages

29 July 2022

Purpose: To investigate the relationship between two distinct layers of macular vessel density (superficial vascular plexus (SVP) and deep vascular plexus (DVP)) and central visual field sensitivity (cVFS) in open-angle glaucoma (OAG) eyes with high...

  • Review
  • Open Access
4,630 Views
22 Pages

25 July 2025

Visual field (VF) testing remains a cornerstone in assessing retinal function by measuring how well different parts of the retina detect light. It is essential for early detection, monitoring, and management of many retinal diseases. By mapping retin...

  • Article
  • Open Access
4 Citations
1,594 Views
8 Pages

Glaucoma Progression Diagnosis: The Agreement between Clinical Judgment and Statistical Software

  • Gloria Roberti,
  • Manuele Michelessi,
  • Lucia Tanga,
  • Luca Belfonte,
  • Laura Maria Del Grande,
  • Marisa Bruno and
  • Francesco Oddone

20 September 2022

Background: To explore the agreement between clinical judgment and Guided Progression Analysis II (GPAII) in the evaluation of visual fields (VF) progression in patients with glaucoma. Methods: Three glaucoma experts and three general ophthalmologist...

  • Article
  • Open Access
1,565 Views
14 Pages

Effect of Oral Bisphosphonates on Vertebral Fractures in Males Living with HIV: A Seven Year Study

  • Letizia Chiara Pezzaioli,
  • Teresa Porcelli,
  • Andrea Delbarba,
  • Giorgio Tiecco,
  • Francesco Castelli,
  • Carlo Cappelli,
  • Alberto Ferlin and
  • Eugenia Quiros-Roldan

30 October 2024

Background: Osteoporosis and vertebral fractures (VFs) are frequently observed in males living with HIV (MLWH). While bisphosphonates seem effective on bone mineral density (BMD) in MLWH, data on VFs are lacking. In this real-life longitudinal study...

  • Review
  • Open Access
2 Citations
5,375 Views
32 Pages

29 November 2024

This review offers a detailed examination of modern ECG signal processing techniques employed in the prediction and detection of ventricular fibrillation (VF). It contains a thorough analysis of recent advancements in the field, exploring the strengt...

  • Article
  • Open Access
42 Citations
10,706 Views
14 Pages

3 June 2021

The fashion industry is undergoing a digital transformation due to the emergence of new shopping channels and external factors such as the COVID-19 pandemic. This study examined the relationship between virtual fitting (VF) experience satisfaction, b...

  • Article
  • Open Access
8 Citations
2,617 Views
8 Pages

Prevalence and Characteristics of Spinal Sagittal Malalignment in Patients with Osteoporosis

  • Takayuki Matsunaga,
  • Masayuki Miyagi,
  • Toshiyuki Nakazawa,
  • Kosuke Murata,
  • Ayumu Kawakubo,
  • Hisako Fujimaki,
  • Tomohisa Koyama,
  • Akiyoshi Kuroda,
  • Yuji Yokozeki and
  • Gen Inoue
  • + 9 authors

26 June 2021

Spinal sagittal malalignment due to vertebral fractures (VFs) induces low back pain (LBP) in patients with osteoporosis. This study aimed to elucidate spinal sagittal malalignment prevalence based on VF number and patient characteristics in individua...

  • Article
  • Open Access
2,283 Views
12 Pages

Obesity Is Associated with Asymptomatic Vertebral Fractures: A Yakumo Study

  • Yuichi Miyairi,
  • Hiroaki Nakashima,
  • Sadayuki Ito,
  • Naoki Segi,
  • Jun Ouchida,
  • Ryotaro Oishi,
  • Ippei Yamauchi,
  • Masaaki Machino,
  • Taisuke Seki and
  • Shiro Imagama
  • + 2 authors

2 April 2024

(1) Background: Patients with primary vertebral fracture (VF) are at high risk of re-fracture and mortality. However, approximately two-thirds of patients with VFs receive minimal clinical attention. (2) Methods: The current study aimed to investigat...

  • Article
  • Open Access
6 Citations
2,515 Views
14 Pages

Factors Associated with Virological Failure in First-Line Antiretroviral Therapy in Patients Diagnosed with HIV-1 between 2010 and 2018 in Israel

  • Tali Wagner,
  • Itzchak Levy,
  • Daniel Elbirt,
  • Eduardo Shahar,
  • Karen Olshtain-Pops,
  • Hila Elinav,
  • Michal Chowers,
  • Valery Istomin,
  • Klaris Riesenberg and
  • Dan Turner
  • + 9 authors

15 December 2023

Despite the progress in contemporary antiretroviral therapy (ART) and the continuous changes in treatment guidelines, virological failure (VF) is still an ongoing concern. The goal of this study was to assess factors related to VF after first-line AR...

  • Article
  • Open Access
2 Citations
2,265 Views
18 Pages

Viral Suppression and HIV Drug Resistance Among Patients on Second-Line Antiretroviral Therapy in Selected Health Facility in Ethiopia

  • Kidist Zealiyas,
  • Atsbeha Gebreegziabxier,
  • Yimam Getaneh,
  • Eleni Kidane,
  • Belete Woldesemayat,
  • Ajanaw Yizengaw,
  • Gadisa Gutema,
  • Sisay Adane,
  • Mengistu Yimer and
  • Dawit Assefa Arimide
  • + 3 authors

31 January 2025

HIV drug resistance (HIVDR) presents a significant challenge to antiretroviral therapy (ART) success, particularly in resource-limited settings like Ethiopia. This cross-sectional study investigated viral suppression rates and resistance patterns amo...

  • Article
  • Open Access
1 Citations
3,118 Views
6 Pages

Randomized Longitudinal Study Comparing Three Nasal Respiratory Support Modes to Prevent Intermittent Hypoxia in Very Preterm Infants

  • Maximilian Gross,
  • Anette Poets,
  • Renate Steinfeldt,
  • Michael S. Urschitz,
  • Katrin Böckmann,
  • Bianca Haase and
  • Christian F. Poets

5 October 2020

Nasal continuous positive airway pressure (NCPAP) devices using variable (vf-) and continuous (cf-) flow or synchronized nasal intermittent positive pressure ventilation (s-NIPPV) are used to prevent or treat intermittent hypoxia (IH) in preterm infa...

  • Feature Paper
  • Article
  • Open Access
18 Citations
4,795 Views
11 Pages

Prevalence of Vertebral Fractures and Their Prognostic Significance in the Survival in Patients with Chronic Kidney Disease Stages 3‒5 Not on Dialysis

  • Cristina Castro-Alonso,
  • Luis D’Marco,
  • Jaume Pomes,
  • Monserrat Del Amo Conill,
  • Ana Isabel García-Diez,
  • Pablo Molina,
  • María Jesús Puchades,
  • José Manuel Valdivielso,
  • Verónica Escudero and
  • José Luis Gorriz
  • + 3 authors

Background: The prevalence of vertebral fractures (VF) and their association with clinical risk factors and outcomes are poorly documented in chronic kidney disease (CKD) cohorts. The aim of the study was to evaluate the prevalence of VF in patients...

  • Article
  • Open Access
9 Citations
4,683 Views
18 Pages

18 April 2023

The vermifilter (VF) is regarded as a sustainable solution for treating rural sewage. However, few studies have investigated the performance of a full-scale vermifilter. The objective of this study is to evaluate the performance of a full-scale vermi...

  • Article
  • Open Access
2 Citations
2,631 Views
16 Pages

Validation of Earphone-Type Sensors for Non-Invasive and Objective Swallowing Function Assessment

  • Takuto Yoshimoto,
  • Kazuhiro Taniguchi,
  • Satoshi Kurose and
  • Yutaka Kimura

11 July 2022

Standard methods for swallowing function evaluation are videofluoroscopy (VF) and videoendoscopy, which are invasive and have test limitations. We examined the use of an earphone-type sensor to noninvasively evaluate soft palate movement in compariso...

  • Article
  • Open Access
8 Citations
3,182 Views
13 Pages

Exploring the Relationship Between Visceral Fat and Coronary Artery Calcification Risk Using Metabolic Score for Visceral Fat (METS-VF)

  • Jiun-Chi Huang,
  • Ya-Chin Huang,
  • Chia-Hsin Lu,
  • Yun-Shiuan Chuang,
  • Hsu-Han Chien,
  • Chia-I Lin,
  • Ming-Fang Chao,
  • Hung-Yi Chuang,
  • Chi-Kung Ho and
  • Chia-Yen Dai

31 October 2024

Background: Metabolic Score for Visceral Fat (METS-VF) is a novel indicator for estimating intra-abdominal fat, yet its connection with coronary artery calcification (CAC) remains uncharted. Our research aims to explore the novel METS-VF indicator&rs...

  • Article
  • Open Access
1,300 Views
10 Pages

1 March 2024

Background: To evaluate changes in the visual field (VF) after Descemet stripping automated endothelial keratoplasty (DSAEK) in eyes with advanced glaucoma and previous trabeculectomy. Methods: Changes in VF, best-corrected visual acuity (BCVA), intr...

  • Article
  • Open Access
16 Citations
5,584 Views
10 Pages

Development of a Protein Microarray Chip with Enhanced Fluorescence for Identification of Semen and Vaginal Fluid

  • Naseem Abbas,
  • Xun Lu,
  • Mohsin Ali Badshah,
  • Jung Bin In,
  • Won Il Heo,
  • Kui Young Park,
  • Mi-Kyung Lee,
  • Cho Hee Kim,
  • Pilwon Kang and
  • Seong Jun Seo
  • + 1 author

10 November 2018

The detection of body fluids has been used to identify a suspect and build a criminal case. As the amount of evidence collected at a crime site is limited, a multiplex identification system for body fluids using a small amount of sample is required....

  • Systematic Review
  • Open Access
2,069 Views
20 Pages

Advancements in Visual Field Testing: A Systematic Review of the 24-2C Test Grid

  • Eric Jin,
  • Natalie Shi Qi Wong,
  • Claire Xin Yi Goh,
  • Michael W. Stewart,
  • Syril Dorairaj and
  • Bryan Chin Hou Ang

A systematic review was conducted of studies published up to 30 August 2024. Studies comparing conventional visual field (VF) indices, ability to detect central visual field defects (CVFDs), structure–function (S-F) concordance, and test charac...

  • Article
  • Open Access
5 Citations
2,392 Views
16 Pages

23 March 2024

Forests, as the main body of the terrestrial ecosystem, have long been focal points for accurate structural parameter extraction. Among these parameters, tree height is a fundamental measurement factor that plays an important role in monitoring fores...

  • Article
  • Open Access
1,550 Views
13 Pages

6 February 2025

The diagnosis of primary open-angle glaucoma (POAG) progression based on structural imaging such as color fundus photos (CFPs) is challenging due to the limited number of early biomarkers, as commonly determined by clinicians, and the inherent variab...

  • Article
  • Open Access
178 Citations
14,032 Views
17 Pages

22 March 2007

The effectiveness of wireless sensor networks (WSNs) depends on the coverage and target detection probability provided by dynamic deployment, which is usually supported by the virtual force (VF) algorithm. However, in the VF algorithm, the virtual fo...

  • Case Report
  • Open Access
4 Citations
4,145 Views
6 Pages

Successful Catheter Ablation of the “R on T” Ventricular Fibrillation

  • Zofia Lasocka,
  • Alicja Dąbrowska-Kugacka,
  • Ewa Lewicka,
  • Aleksandra Liżewska-Springer and
  • Tomasz Królak

In patients with idiopathic ventricular fibrillation (VF), recurrent implantable cardioverter-defibrillator (ICD) shocks might increase mortality risk and reduce patients’ quality of life. Catheter ablation of triggering ectopic beats is considered t...

  • Article
  • Open Access
703 Views
17 Pages

29 September 2025

For accurate and reliable monitoring, compliance monitoring devices (CMDs) in Port State Control must meet strict and uniform quality standards. This study evaluates how effectively CMDs, using variable fluorescence (VF) and fluorescein diacetate (FD...

  • Article
  • Open Access
42 Citations
12,861 Views
14 Pages

Arrhythmia Evaluation in Wearable ECG Devices

  • Muammar Sadrawi,
  • Chien-Hung Lin,
  • Yin-Tsong Lin,
  • Yita Hsieh,
  • Chia-Chun Kuo,
  • Jen Chien Chien,
  • Koichi Haraikawa,
  • Maysam F. Abbod and
  • Jiann-Shing Shieh

25 October 2017

This study evaluates four databases from PhysioNet: The American Heart Association database (AHADB), Creighton University Ventricular Tachyarrhythmia database (CUDB), MIT-BIH Arrhythmia database (MITDB), and MIT-BIH Noise Stress Test database (NSTDB)...

  • Article
  • Open Access
1 Citations
1,863 Views
11 Pages

31 May 2024

A commercial roadkill Virtual Fence (VF) mitigation device (iPTE Traffic Solutions) was used in a field trial to test its effectiveness, for which previously published results have been inconsistent, along a 4.9 km segment of road on Bruny Island, Ta...

  • Article
  • Open Access
40 Citations
9,862 Views
20 Pages

Sensor and Sensorless Fault Tolerant Control for Induction Motors Using a Wavelet Index

  • Khalaf Salloum Gaeid,
  • Hew Wooi Ping,
  • Mustafa Khalid and
  • Ammar Masaoud

27 March 2012

Fault Tolerant Control (FTC) systems are crucial in industry to ensure safe and reliable operation, especially of motor drives. This paper proposes the use of multiple controllers for a FTC system of an induction motor drive, selected based on a swit...

  • Article
  • Open Access
10 Citations
3,338 Views
10 Pages

Outer Nuclear Layer Damage for Detection of Early Retinal Toxicity of Hydroxychloroquine

  • Alfonso Casado,
  • Alicia López-de-Eguileta,
  • Soraya Fonseca,
  • Pedro Muñoz,
  • Rosalía Demetrio,
  • Miguel A. Gordo-Vega and
  • Andrea Cerveró

In hydroxychloroquine (HCQ) retinopathy, early detection of asymptomatic retinal changes and the interruption of the drug are essential to prevent permanent vision loss. Our purpose was to investigate the roles of ganglion cell layer (GCL) and outer...

  • Article
  • Open Access
3 Citations
3,695 Views
16 Pages

21 February 2019

Vernicia fordii (tung oil tree) is famous in the world for its production of tung oil. Unfortunately, it was infected by the soil-borne fungus Fusarium oxysporum f. sp. fordii 1 (Fof-1) and suffered serious wilt disease. Conversely, its sister specie...

  • Article
  • Open Access
12 Citations
3,666 Views
17 Pages

Outer-Membrane Permeabilization, LPS Transport Inhibition: Activity, Interactions, and Structures of Thanatin Derived Antimicrobial Peptides

  • Swaleeha Jaan Abdullah,
  • Bernice Tan Siu Yan,
  • Nithya Palanivelu,
  • Vidhya Bharathi Dhanabal,
  • Juan Pablo Bifani and
  • Surajit Bhattacharjya

9 February 2024

Currently, viable antibiotics available to mitigate infections caused by drug-resistant Gram-negative bacteria are highly limited. Thanatin, a 21-residue-long insect-derived antimicrobial peptide (AMP), is a promising lead molecule for the potential...

  • Review
  • Open Access
4 Citations
1,375 Views
48 Pages

Performance-Based Damage Quantification and Hazard Intensity Measures for Vertical Forest Systems on RC Buildings

  • Vachan Vanian,
  • Theodoros Rousakis,
  • Theodora Fanaradelli,
  • Maristella Voutetaki,
  • Makrini Macha,
  • Adamantis Zapris,
  • Ifigeneia Theodoridou,
  • Maria Stefanidou,
  • Katerina Vatitsi and
  • Constantin Chalioris
  • + 1 author

26 February 2025

The European building stock is aging and needs renovation. Holistic renovation approaches, including Vertical Forest (VF) systems, are emerging as sustainable alternatives to demolition and reconstruction. This paper reviews and defines missing relia...

  • Article
  • Open Access
42 Citations
9,771 Views
19 Pages

Diagnosing Malaria Patients with Plasmodium falciparum and vivax Using Deep Learning for Thick Smear Images

  • Yasmin M. Kassim,
  • Feng Yang,
  • Hang Yu,
  • Richard J. Maude and
  • Stefan Jaeger

27 October 2021

We propose a new framework, PlasmodiumVF-Net, to analyze thick smear microscopy images for a malaria diagnosis on both image and patient-level. Our framework detects whether a patient is infected, and in case of a malarial infection, reports whether...

  • Article
  • Open Access
15 Citations
4,805 Views
18 Pages

Genome Analysis of ESBL-Producing Escherichia coli Isolated from Pigs

  • Luria Leslie Founou,
  • Raspail Carrel Founou,
  • Mushal Allam,
  • Arshad Ismail and
  • Sabiha Yusuf Essack

The resistome, virulome and mobilome of extended spectrum ß-lactamase (ESBL)-producing Escherichia coli (ESBL-Ec) isolated from pigs in Cameroon and South Africa were assessed using whole genome sequencing (WGS). Eleven clonally related phenoty...

  • Article
  • Open Access
12 Citations
4,318 Views
22 Pages

Ventricular Fibrillation and Tachycardia Detection Using Features Derived from Topological Data Analysis

  • Azeddine Mjahad,
  • Jose V. Frances-Villora,
  • Manuel Bataller-Mompean and
  • Alfredo Rosado-Muñoz

19 July 2022

A rapid and accurate detection of ventricular arrhythmias is essential to take appropriate therapeutic actions when cardiac arrhythmias occur. Furthermore, the accurate discrimination between arrhythmias is also important, provided that the required...

  • Article
  • Open Access
13 Citations
3,949 Views
20 Pages

5 May 2023

This study aims to present a novel deep learning algorithm for a sliding shock advisory decision during cardiopulmonary resuscitation (CPR) and its performance evaluation as a function of the cumulative hands-off time. We retrospectively used 13,570...

  • Brief Report
  • Open Access
2 Citations
2,699 Views
9 Pages

HIV-1 Low-Frequency Variants Identified in Antiretroviral-Naïve Subjects with Virologic Failure after 12 Months of Follow-Up in Panama

  • Ambar Moreno,
  • Claudia González,
  • Jessica Góndola,
  • Oris Chavarría,
  • Alma Ortiz,
  • Jorge Castillo,
  • Juan Castillo Mewa,
  • Juan Miguel Pascale and
  • Alexander Augusto Martínez

1 August 2023

Low-frequency mutations associated with drug resistance have been related to virologic failure in subjects with no history of pre-treatment and recent HIV diagnosis. In total, 78 antiretroviral treatment (ART)-naïve subjects with a recent HIV di...

  • Article
  • Open Access
14 Citations
6,085 Views
14 Pages

30 September 2019

When wildlife and motor vehicles collide, the result for the animals is often death (roadkill). A commercial roadkill mitigation device that forms a so-called virtual fence (VF), is said to reduce roadkill by up to 90%. A field trial to test its effe...

  • Article
  • Open Access
11 Citations
2,911 Views
11 Pages

Real-Life Experience on Dolutegravir and Lamivudine as Initial or Switch Therapy in a Silver Population Living with HIV

  • Maria Mazzitelli,
  • Lolita Sasset,
  • Samuele Gardin,
  • Davide Leoni,
  • Mattia Trunfio,
  • Vincenzo Scaglione,
  • Daniele Mengato,
  • Elena Agostini,
  • Eleonora Vania and
  • Annamaria Cattelan

15 August 2023

Background: Clinical trials and real-life studies have granted the efficacy and safety of dolutegravir and lamivudine (DTG/3TC) in naïve and experienced people living with HIV (PLWH), but there are no long-term data in elderly people. We herein...

  • Feature Paper
  • Article
  • Open Access
28 Citations
6,933 Views
25 Pages

29 June 2018

We developed an automated approach to differentiate between different types of arrhythmic episodes in electrocardiogram (ECG) signals, because, in real-life scenarios, a software application does not know in advance the type of arrhythmia a patient e...

  • Article
  • Open Access
1 Citations
998 Views
32 Pages

24 August 2025

Ventricular arrhythmias such as ventricular fibrillation (VF) and ventricular tachycardia (VT) are among the leading causes of sudden cardiac death worldwide, making their timely and accurate detection a critical task in modern cardiology. This study...

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